She's on a psychopath's radar, and only one man can help—a homicide cop with an agenda of his own. Two of her friends are dead and Breanna McGill can't believe their deaths were accidents. When homicide cop Sullivan Sauvage corners her, asking questions she can't answer, Breanna realizes she's in danger too. Sauvage tells her she must do exactly what he says if she wants to stay alive. Breanna resents his orders, but she can't ignore the attraction snapping between them. Sullivan knows there's a serial killer in Mallard Bay, and he believes Breanna is the killer's next target. But protecting her won't be easy. Breanna rattles and distracts him in ways he can't afford. He needs his edge to keep her alive. But as the killer closes in, anticipating every move he makes to keep Breanna safe, Sullivan wonders—who is the hunter and who is the prey?